Glossary beginning with V
Volcano Term Definitions
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- Vent
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The opening at the earth's surface through which volcanic materials issue forth.
- Vesicle
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A small air pocket or cavity formed in volcanic rock during solidification
- Viscosity
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A measure of resistance to flow in a liquid (water has low viscosity while honey has a higher viscosity.)
- Volcanic Complex
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A persistent volcanic vent area that has built a complex combination of volcanic landforms.
- Vulcanian
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A type of eruption consisting of the explosive ejection of incandescent fragments of new viscous lava, usually on the form of blocks.
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